Dialysis machine

Abstract

The present invention relates to a dialysis machine comprising a balancing system that has at least one balancing chamber for a volumetrically exact supply and removal of dialysis solution to and from a dialyzer fluidically connected to the balancing system in operation; a water inlet system connected to the balancing system for the supply of fresh dialysis liquid, with the water inlet system having an apparatus for degassing water that is connected to an air separator of the dialysis machine, with a first subsection of the air separator serving as a mixing chamber and being connectable to at least one concentrate source via at least one concentrate line and being in fluid communication with the balancing system via at least one dialysate line, wherein the filling volume of a balancing chamber corresponds to or exceeds the sum of the volume of the mixing chamber and the inner volume of the dialysate line.

1 - 18 . (canceled) 
     
     
         19 . An air separator ( 50 ) for use in a dialysis machine, the dialysis machine including a balancing system (B) that has at least one balancing chamber for a volumetrically exact supply and removal of dialysis solution to and from a dialyzer (D) fluidically connected to the balancing system in operation; a water inlet system connected to the balancing system (B) for the supply of fresh dialysis liquid, with the water inlet system having an apparatus ( 10 ) for degassing water that is connected to an air separator ( 50 ) of the dialysis machine, with a first subsection ( 110 ) of the air separator ( 50 ) serving as a mixing chamber and being connectable to at least one concentrate source (K 1 , K 2 ) via at least one concentrate line ( 54 ,  56 ) and being in fluid communication with the balancing system (B) via at least one dialysate line ( 58 ), the filling volume of a balancing chamber corresponds to or exceeds the sum of the volume of the mixing chamber ( 110 ) and the inner volume of the dialysate line ( 58 ), the air separator ( 50 ) comprising:
 a first subsection ( 110 ) that serves as a mixing chamber ( 110 ), connectors ( 54 ′,  56 ′) via which the first subsection ( 110 ) is connectable to at least one concentrate line ( 54 ,  56 ) and via at least one dialysate line ( 58 ) to a balancing system (B) of the dialysis machine; and   a second subsection ( 120 ) that has an inflow region ( 121 ) and a degassing drainage line ( 153 ),   with an at least partly conical separation disk ( 100 ) being located between the subsections ( 110 ,  120 ) whose conical section (K) extends into the first subsection ( 110 ).   
     
     
         20 . The air separator ( 50 ) in accordance with  claim 19 , wherein the first subsection ( 110 ) is below the second subsection ( 120 ) with respect to the standing arrangement of the air separator ( 50 ), with the degassing drainage line ( 153 ) being arranged above the separation disk ( 100 ) in the standing arrangement that corresponds to an operating state. 
     
     
         21 . The air separator ( 50 ) in accordance with  claim 19 , wherein one or more through openings are located in the separation disk ( 100 ) through which air moves for the purpose of the air separation from the first subsection ( 110 ) into the second subsection ( 120 ) and/or through which water or a solution moves for the purpose of the preparation of the dialysis solution from the second subsection ( 120 ) into the first subsection ( 110 ). 
     
     
         22 . The air separator ( 50 ) in accordance with  claim 21 , wherein the separation disk ( 100 ) has the conical section (K) and a flange-like section ( 101 ) extending around it; and the one or more through openings are arranged in the flange-like section ( 101 ). 
     
     
         23 . The air separator ( 50 ) in accordance with  claim 19 , wherein the connector ( 54 ′,  56 ′) of the first subsection ( 110 ) for the supply of the concentrate is not aligned with the connector ( 58 ′) of the first subsection ( 110 ) for removing the dialysate, but is arranged offset therefrom; and/or the connector ( 54 ′,  56 ′) of the first subsection ( 110 ) for the supply of the concentrate is not aligned with the cone tip, but is rather arranged offset therefrom. 
     
     
         24 . The air separator ( 50 ) in accordance with  claim 23 , wherein the connectors ( 54 ′,  56 ′,  58 ′) are arranged such that a circulating liquid flow arises in the first subsection ( 110 ). 
     
     
         25 . The air separator ( 50 ) in accordance with  claim 21 , wherein the one or more through bores extend or are designed obliquely with respect to the standing arrangement of the air separator ( 50 ). 
     
     
         26 . The air separator ( 50 ) in accordance with  claim 25 , wherein the one or more through bores extend obliquely such that a circulation flow in the mixing chamber ( 110 ) is only or also formed by the liquid that enters into the mixing chamber ( 110 ) through the through bores. 
     
     
         27 . The air separator ( 50 ) in accordance with  claim 25 , wherein a plurality of through bores are arranged so as to be distributed in the peripheral direction of the separation disk ( 100 ). 
     
     
         28 . The air separator ( 50 ) in accordance with  claim 19 , wherein a spacing is created between the tip of the conical section (K) of the separation disk ( 100 ) and the bottom of the first subsection ( 110 ). 
     
     
         29 . The air separator ( 50 ) in accordance with  claim 19 , wherein the air separator ( 50 ) is composed of at least two housing parts ( 51 ,  52 ); and a sealed seat in which the separation disk ( 100 ) is located is provided in the region of the connecting point of the two housing parts. 
     
     
         30 . The air separator ( 50 ) in accordance with  claim 19 , with the dialysis machine further comprising one or more pumps, in particular membrane pumps (P 2 , P 3 ), provided for conveying concentrate from the concentrate source (K 1 , K 2 ) connected in operation into the mixing chamber ( 110 ). 
     
     
         31 . The air separator ( 50 ) in accordance with  claim 19 , further comprising a line for removing air from the air separator ( 50 ) that leads from the second subsection ( 120 ). 
     
     
         32 . A dialysis machine comprising a balancing system (B) that has at least one balancing chamber for a volumetrically exact supply and removal of dialysis solution to and from a dialyzer (D) fluidically connected to the balancing system in operation; a water inlet system connected to the balancing system (B) for the supply of fresh dialysis liquid, with the water inlet system having an apparatus ( 10 ) for degassing water that is connected to an air separator ( 50 ) of the dialysis machine, with a first subsection ( 110 ) of the air separator ( 50 ) serving as a mixing chamber and being connectable to at least one concentrate source (K 1 , K 2 ) via at least one concentrate line ( 54 ,  56 ) and being in fluid communication with the balancing system (B) via at least one dialysate line ( 58 ), the air separator ( 50 ) being configured in accordance with  claim 19 .